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De-Winterizing Guide: How to Restore a Water Softener to Operation PlumbingAPedia © Enter your search terms Submit search form   Search This Website - InspectAPedia.com

• How to restore a water softener to proper operation
• How to de-winterize a water softener and get it working properly again
• How to return "shut down" water softeners or other water treatment equipment to operation

The articles at this website will answer most questions about freeze protection for piping and other building plumbing and heating system components: how to winterize a building to avoid frozen pipes, and how to thaw frozen water supply & drain piping, wells, & water tanks.

Restoring Water Treatment Equipment - How do We Return the Water Softener to Operation & Use at the End of Winter?

When the building is reoccupied, you'll need to take these steps to get your water softener working again:

1. If you drained the water softener (a step we recommend if the building was to be left without heat) you'll need to close any drain valves that were opened, or reconnect any pipes that were cut to drain them.
   
   

   Then follow your water softener's general start-up instructions such as checking the salt level in the salt tank, and checking that the float control in the salt tank moves freely up and down - that it's not stuck. As we discuss at Water Softener Operation & Maintenance, a water softener control that is not operating properly can become stuck in the backwash position where it runs continually. That failure not only wastes water it can damage a well pump or flood the septic drainfield. Water Heater Tip: get your water softener working and recharged before you re-fill and turn on your water heater. That will avoid filling your water heater with hard water. If you forgot this step, you might want to turn off your water heater and drain its tank, allowing the water heater to re-fill with softened water.

2. Restore the water softener bypass valve to the not-bypass position
   
   

   Locate the bypass valve on the water softener: Our photo shows the water softener bypass control on an older model. Pushing the knob labeled "bypass" in will stop routing building water through the water softening equipment. Re-set the water softener bypass valve: To restore the water softener to use, push in the comparable knob on the opposite side of the control so that the "bypass" valve is in the "out" position. Look on the face of each knob for a label indicating which knob or button is the bypass position. On newer Culligan™ water softener models since 1995, the Blue knob is pushed IN to use the water softener (go off of bypass) and a Red knob is pushed in (from the opposite side of the control) to set the softener into bypass mode and stop using it. Lubricate the water softener bypass valve? The bypass valve on a Culligan™ water softener (and probably most others) connects to the back of the main control valve assembly with two screws. If the valve is difficult to operate it may need lubrication. Inside are o-rings that permit the valve to operate without leaking. If these parts appear to need lubrication, use a silicone-based lubricant, not a petroleum-based lubricant which could damage the control.

3. Turn on electrical power to the water softener - or just plug it back in
4. Check for leaks: look at the softener for evidence of leaks; if heat was left on in the building and the area around the water softener stayed above freezing you should be ok, but still, never walk away from a piece of equipment you've turned back on without looking it over to make sure it's un-damaged.
   
   On a water softener which has lots of plastic parts resistant to freeze cracking, a common place to spot damage is in the control assembly itself. If water remained inside of the softener control assembly it may have frozen and damaged the control. Look around the base of the control for drips or running water when the equipment is restored to operation.
   
   Also check for leaks in the water supply and drain piping around the water softener (and elsewhere in the building).
5. Set the clock and the water softener recharge time: set the water softener to the proper day and time of day
   
   

   Set the clock dial to the accurate time of day and set the water softener regeneration time to the correct time of recharge: an hour when the building occupants are least likely to be using water, such as at 2AM - the standard factory pre-set regeneration hour. Usually the "clock dial" is adjusted by lifting it up and turning it to the proper position, or turning a dial to line up the correct hour of the day with an indicator arrow (lower right in our photo). The dials on the water softener control should permit you to set the correct time of day, the time (hour) of recharge, the frequency of recharge (every day, every other day, once a week, etc). This extra step avoids running mineral-laden water into the water piping and water heater where a high mineral content leads to clogged water pipes. See  SOFTENER ADJUSTMENT & CLEANING for details of setting the water softener controls.

6. Check the level of salt in the water softener salt reservoir.
   
   

   If the salt level is low but the tank is clean you'll want to add salt. Check the Brine Refill Valve Assembly: In our photo the yellow tube at the right side of the salt reservoir contains a float assembly that controls the water level in the salt tank during a softener recharge cycle. On water softener salt tanks where there is no cap on this tube it's possible to spill salt into the tube when adding salt to the larger tank. Don't pour salt into the yellow tube. Doing so can jam the float and cause the softener to malfunction. If a water softener is not working, check to see that the float inside of this tube can rise and fall freely in response to water level in the bottom of the tank. Clean & Sanitize the water softener reservoir? Every year or two we let the softener use up its salt so that we can inspect and remove any dirt or sludge that may have accumulated at the bottom of the salt tank. To sanitize a water softener (and its salt reservoir or brine tank), pour a one cup of household bleach (if your water softener is a 9" diameter unit) or two cups of bleach (if your water softener is a 12-inch diameter unit) right into the salt tank. We pour the bleach into the yellow tube that houses the float assembly but don't do this and let the bleach sit there for days since it might be so concentrated as to damage water softener parts. Just go ahead to the next step: set the water softener to perform an extra (manual) recharge cycle. This will flush salty chlorine disinfectant through the equipment. (No, using the recommended quantity of bleach will not harm the septic system.) See  SOFTENER ADJUSTMENT & CLEANING for details of setting the water softener salt dose and water usage controls.

7. Regenerate the water softener: use the extra water softener regeneration cycle switch or control on your water softener to instruct it to run through an extra regeneration cycle.
   
   For the water softener control shown in our photograph (above), pressing the red knob inwards and turning it counterclockwise until the arrow on the red knob lines up with the arrow at the "Start" label on the control will initiate an extra regeneration cycle.

If you are not sure if your water softener is working properly, it's easy to test the treated water for hardness. This procedure and more detailed information about the use of water softeners is at Water Softener Operation & Maintenance.

Use links just below or at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

FREEZE-PROOF A BUILDING
Key Winterizing Topics
How to Winterize a Building

Winterize - Heat On Procedure
  Thermostat Settings
  Turn Water Off ?
  Winterize Water Softener & Treatment Equip.
  Find & Fix Water Pipe Freeze-Up Points
  Heat tapes, Heat, Insulation prevent Freeze-Up
  Freeze Protect Drains

Winterize- Heat Off Procedure

De-Winterized a Building
  Thawing Frozen Pipes
  Repairing Burst Leaky Pipes
  Turning on Heating
  Restoring Drains
  Turning on Water
  Water Supply/Drain Pipe Leak Types
  Restoring Water Softener & Treatment Equip

Technical Reviewers & References

Particular thanks are due to experts and also consumers who read these articles and suggest corrections, changes, and additions to the material. Content suggestions, technical corrections and content critique are invited for any of the content at our website.

• Daniel Friedman - principal author/editor of the InspectAPedia ^TM Website
• "New Electric Heat Tapes Help Prevent Fires," US Consumer Product Safety Commission (CPSC) #00936
• "Freezeproof Your House," Mike McClintock, Rodale's New Shelter, p. 30, October 1985 (approximate date)
• "How to Winterize Your Pipes," Mike McClintock, Homeowners How-To Magazine, p. 59-62, Nov-Dec 1979.
• North Dakota Standards for Water Softeners, North Dakota General Authority Law, Chapter 62-04-08, Water Softener Units http://www.legis.nd.gov/information/acdata/pdf/62-04-08.pdf. "The objective of this chapter is to provide a standard of quality, capacity, and performance for water softener units. Water softener performance is to be based upon referee tests procedures described in section 62-04-08-09."
• Culligan Mark 10 Water Softener 1994-1998 Installation and Operating Instructions (covering models manufactured after 1995) (1-96) 01881948.pdf available from www.culligan.com
• Water Softeners, CMHC, Canadian Mortgage and Housing Corporation, cmhc-schl.gc.ca/en/co/maho/wawa/wawa_005.cfm - October 2008. Canada Mortgage and Housing Corporation acknowledges the contribution of Health Canada to the development of this document. For further questions regarding water treatment and water quality, contact Health Canada at watereau@hc-sc.gc.ca or call 613-957-2991 or 1-866-225-0709.
• "Commercial Water Softener Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia) for commercial, industrial and residential application www.ibcwater.com.au (07) 3219 2233
• "Non electric water softener, Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia), op.cit.
• "Water Softener Twin Tank Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia), op.cit.
• Our Water Hardness Table used at originated with but was edited and added to from http://www.bestfish.com/tips/110598.html and also from http://www.water-research.net/hardness.htm
  
• Critique, contributions wanted: Contact Us to suggest text changes and additions and, if you wish, to receive online listing and credit for that contribution.

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